What is GHSA-5ff8-jcf9-fw62?

GHSA-5ff8-jcf9-fw62 is a security advisory published by GitHub Security Advisories with High severity. Cross-Site Scripting in markdown-it-katex

Why does GHSA-5ff8-jcf9-fw62 have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

Which products are affected by GHSA-5ff8-jcf9-fw62?

GHSA-5ff8-jcf9-fw62 affects 1 product, including: npm/markdown-it-katex:\u003e= 0.0.0.

GHSA-5ff8-jcf9-fw62HighDisclosed before NVD

Cross-Site Scripting in markdown-it-katex

Vendor

GitHub Security Advisories

Published

September 4, 2020

Last Modified

January 9, 2023

📋 Description

All versions of markdown-it-katex are vulnerable to Cross-Site Scripting (XSS). The package fails to properly escape error messages, which may allow attackers to execute arbitrary JavaScript in a victim's browser by triggering an error.

Recommendation

No fix is currently available. Consider using an alternative package until a fix is made available.

🎯 Affected products1

npm/markdown-it-katex:>= 0.0.0

🔗 References (3)

https://github.com/waylonflinn/markdown-it-katex/issues/26
https://www.npmjs.com/advisories/1466
https://github.com/advisories/GHSA-5ff8-jcf9-fw62